• Debian 11 is approaching its end-of-life (vendor EOL date - August 31, 2026). Plesk Obsidian 18.0.80 will be the last release to support it.
    If you are running Plesk Obsidian on Debian 11, we recommend you upgrade those servers to Debian 12 using our dist-upgrade tool.
  • We plan to deprecate and remove the support for XML RPC protocol versions earlier than 1.6.9.1 in Plesk Obsidian 18.0.82. We strongly recommend that you update all existing integrations using earlier versions of the XML RPC protocol to comply with the version 1.6.9.1 specification.

mod-fcgid

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    Issue Webmail (Roundcube) returns 500 error due to forced OS PHP 7.4 FastCGI instead of Plesk PHP handler

    I am running Plesk Obsidian 18.0.74 on Ubuntu 20.04. Multiple domains show 500 Internal Server Error in Webmail (Roundcube). Root cause analysis so far: Webmail virtual hosts generated by Plesk use mod_fcgid and set: • PP_CUSTOM_PHP_CGI_INDEX = “fastcgi” • PP_CUSTOM_PHP_INI =...
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